FR659885A - Automotive headlights improvements - Google Patents
Automotive headlights improvementsInfo
- Publication number
- FR659885A FR659885A FR659885DA FR659885A FR 659885 A FR659885 A FR 659885A FR 659885D A FR659885D A FR 659885DA FR 659885 A FR659885 A FR 659885A
- Authority
- FR
- France
- Prior art keywords
- automotive headlights
- headlights
- automotive
- headlights improvements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR659885T | 1927-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR659885A true FR659885A (en) | 1929-07-04 |
Family
ID=9009933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR659885D Expired FR659885A (en) | 1927-12-23 | 1927-12-23 | Automotive headlights improvements |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR659885A (en) |
-
1927
- 1927-12-23 FR FR659885D patent/FR659885A/en not_active Expired
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